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Ohaus CKW-55 Electronic Digital Scale Indicators
Authorized Dealer
The Ohaus CKW-55 indicator offers speed, durability and ease-of-use -- designed for static checkweighing operations and other industrial applications--from general purpose to washdown
Ohaus Digital Scale Indicators: CKW55

Ohaus CKW-55 Digital Scale Indicators

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(within the 48 continental US States)



Whatever the application…whatever the scale platform...there’s an Ohaus Indicator to complete the picture. Engineered for easy use, the all-new Ohaus CD Indicators feature smart software and hardware enclosed in a sharp contemporary design.

All Ohaus indicators offer multiple functions, easy-to-read displays and a standard RS232 interface. And you can link to any Ohaus Bench Scale– or any other scale system– with up to four load cells. And a variety of capacities and platform sizes mean you can create exactly the right combination for your operation.

Ohaus CKW-55 Checkweighing Indicators

Ohaus digital scale indicatorsThe Ohaus CKW-55 indicator offers speed, durability and ease-of-use -- designed for static checkweighing operations and other industrial applications--from general purpose to washdown.

The Ohaus CKW-55 is a full-featured static checkweighing indicator with simple functionality at a competitive price. Its multiple configurable checkweighing parameters and construction were designed with simplicity and dependability in mind that could translate to increased productivity, security and lower cost of ownership.

  • Unrivaled speed of set-up and configuration for production line efficiency Intelligent design provides ease of installation and maintenance Fast response time for higher productivity
  • NSF/USDA compliance for sanitary environments
  • Stainless steel housing, NEMA 4X / IP66, 3rd party certified
  • Includes wall-table mount bracket
  • Food Safety: NSF certified, USDA-AMS accepted, supports HACCP compliance
  • Configurable checkweighing setpoints: By range, variance by weight or percent
  • Checkweighing indication by: 3-color 24-segment bar graph, beeper and/or display alert
  • Dedicated checkweighing ´Target´ key with numeric keypad
  • 20-part Library storage for item no., over, under, target and pre-set tare values
  • High-contrast LED display with adjustable brightness
  • ´Supervisor mode´ with setup and function lockouts
  • Built-in RS232 with optional RS422/485 and AC/DC relay output
  • Built-in external remote input for tare, zero, print and other operations
  • Multiple weighing units: kg, g, lb, oz, lb:oz, %
  • Features: beeper alert, 20-part library, auto tare/on-accept, geo factor for local gravity adjustment, GMP/GLP compliant, time/date, accumulation, configurable RS232 commands, function lockout
  • 100-240 VAC universal power supply with optional internal rechargeable NiMH battery
  • 1:20,000 max displayed resolution, Geo factor, GMP-Time/Date, Auto-Tare/on Accept, Accumulation



Model Number




Capacity (lb/kg)


Graduation (lb/kg)

0.0002 to 50
(capacity dependant)
EC / OIML Approval YES
Geo Function YES

Displayed Resolution

1:20,000 non-LFT
Legal for Trade Type Approved Resolution 1:10,000 (NTEP )

Max Displayed Resolution

1:20,000 non-LFT

Weighting Modes

kg, lb g, oz, lb:oz, %
Parts Counting NO
Dynamic Weighing NO
Percent Weighing YES
Checkweighing YES
Time/Date/GMP YES
Standard RS232 YES


weighing, checkweighing, percent weighing, USDA, NSF approved for food safety

Internal resolution


Over range capacity

Max capacity + 5 divisions

Stabilization time

within 2 seconds

Auto-zero tracking capture range

Off, 0.5, 1, or 3 divisions

Zeroing range

2%, 18% or 100% of capacity

Span Calibration

1 kg/lb to 100% of capacity

Load cell excitation voltage


Load Cell Drive

up to 4 x 350 ohm load cells


3-color, 24 segment LED Bar Braph (checkweighing indication)
Operating Temperature Rane 14°F to 104°F / -10°C to 40°C


100-240 VAC / 50/60 Hz universal internal power supply hardwire cord or Rechargeable NiMH battery (optional)


8 Function, 11 Numeric, with dedicated Tare and Target entry
Interface Built in RS232 and external input (optional RS422/485, AC/DC relay)

Dimensions W X D X H

9 x 3 x 8.5 in / 230 x 75 x 217 cm (including bracket)

Net Weight

6.6 lg / 3 kg

Model Number



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